September weather forecast
Horatio, SC

Share

Weather in September

The first month of the autumn, September, is still a warm month in Horatio, South Carolina, with an average temperature varying between 66.6°F (19.2°C) and 83.7°F (28.7°C).

Temperature

Horatio's shift from August to September is accompanied by an average high-temperature of a moderately hot 83.7°F (28.7°C), a slight deviation from 88.9°F (31.6°C). Horatio observes an average low-temperature of 66.6°F (19.2°C) during September nights.

Heat index

Throughout September, the heat index is evaluated at a tropical 91.4°F (33°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

In September, the average relative humidity in Horatio, South Carolina, is 75%.

Rainfall

In Horatio, during September, the rain falls for 14.1 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, in Horatio, there are 161.8 rainfall days, and 33.35" (847mm) of precipitation is accumulated.

Snowfall

In Horatio, snow does not fall in April through October.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of September in Horatio, sunrise is at 6:56 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:07 pm EDT.

Sunshine

The average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 6 during September leads to these instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September in Horatio?

An average high-temperature, in September, in Horatio, is 83.7°F (28.7°C) and the average low-temperature is 66.6°F (19.2°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 91.4°F (33°C).

What is the average humidity in September in Horatio?

In Horatio, South Carolina, the average relative humidity in September is 75%.

How much does it rain in Horatio in September?

In Horatio, South Carolina, in September, it is raining for 14.1 days, with typically 2.48" (63mm) of accumulated precipitation.

When it does not snow in Horatio?

April through October are months without snowfall.

How many hours of daylight does Horatio have in September?

The average day length in September in Horatio, South Carolina, is 12h and 22min.

When is the sunrise / sunset in September in Horatio?

On the first day of September, sunrise is at 6:56 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:07 pm EDT.

How many hours of sunshine does Horatio have in September?

In September, the average sunshine duration in Horatio, South Carolina, is 8.7h.

What is the UV index intensity in September in Horatio?

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Horatio, SC

Average temperature in September - Horatio, SC
  • Average high temperature in September: 83.7°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (52.9°F).

  • Average low temperature in September: 66.6°F

The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).

Average pressure in September
Horatio, SC

Average pressure in September - Horatio, SC
  • Average pressure in September: 30.01"Hg

The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in September
Horatio, SC

Average wind speed in September - Horatio, SC
  • Average wind speed in September: 6.3mph

The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in September
Horatio, SC

Average humidity in September - Horatio, SC
  • Average humidity in September: 75%

The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are January and November (70%).

Average rainfall in September
Horatio, SC

Average rainfall in September - Horatio, SC
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in September
Horatio, SC

Average rainfall days in September - Horatio, SC
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is October (8.5 days).

Average snowfall in September
Horatio, SC

Average snowfall in September - Horatio, SC
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Horatio, SC

Average snowfall days in September - Horatio, SC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Horatio, SC

Average daylight in September / Average sunshine in September - Horatio, SC
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in September
Horatio, SC

Average sunshine days in September - Horatio, SC
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in September
Horatio, SC

Average UV index in September - Horatio, SC
  • Average UV index in September: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in September
Horatio, SC

Average cloud cover in September - Horatio, SC
  • Average cloud cover in September: 33

The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in September
Horatio, SC

Average visibility in September - Horatio, SC
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Horatio, South Carolina, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location